Effect of inorganic nutrients on the acclimation period preceding mineralization of organic chemicals in lake water

Journal Article · Wed Nov 30 23:00:00 EST 1988 · Appl. Environ. Microbiol.; (United States)

OSTI ID:6352293

Jones, S H; Alexander, M

The addition of phosphate, nitrate, or sulfate (each at 10 mM) decreased the acclimation period for the mineralization of low concentrations of p-nitrophenol (PNP) in lake water. Added phosphate shortened the acclimation period for biodegradation of 2 ng to 2 micrograms of PNP per ml in various lake water samples and of 2,4-dichlorophenoxyacetate at 100 ng/ml. Added P enhanced the rate of growth of PNP-mineralizing microorganisms in waters containing 200 ng or 2 micrograms of PNP per ml. We suggest that the effect of P on the acclimation period results from an increase in the growth rate of the initially small population of microorganisms able to mineralize the synthetic chemicals.

• Research Organization: Cornell Univ., Ithaca, NY (USA)
• OSTI ID: 6352293
• Journal Information: Appl. Environ. Microbiol.; (United States), Journal Name: Appl. Environ. Microbiol.; (United States) Vol. 54:12; ISSN AEMID
• Country of Publication: United States
• Language: English

Related Subjects

520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AROMATICS
BIODEGRADATION
BIOLOGICAL EFFECTS
CHEMICAL REACTIONS
DECOMPOSITION
FRESH WATER
GROWTH
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
LAKES
MICROORGANISMS
MINERALIZATION
NITRATES
NITRO COMPOUNDS
NITROGEN COMPOUNDS
NITROPHENOL
NUTRIENTS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
PHOSPHATES
PHOSPHORUS COMPOUNDS
POLLUTION
SULFATES
SULFUR COMPOUNDS
SURFACE WATERS
WATER
WATER POLLUTION